Home / 559,695,511.44-772,382,488.68-308,799,890.64

Finding the Fourth Proportional to 559,695,511.44, 772,382,488.68 and 308,799,890.64

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Solution

The fourth proportional to 559,695,511.44, 772,382,488.68 and 308,799,890.64 is: 426,145,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,695,511.44 : 772,382,488.68 = 308,799,890.64 : x
  2. Step 2: Convert to fraction form
    559,695,511.44/772,382,488.68 = 308,799,890.64/x
  3. Step 3: Cross multiply
    559,695,511.44x = 772,382,488.68 × 308,799,890.64
  4. Step 4: Simplify right side
    559,695,511.44x = 238,511,628,036,635,008
  5. Step 5: Solve for x
    x = 238,511,628,036,635,008/559,695,511.44
  6. Step 6: Final answer
    x = 426,145,329.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.